Specifications
| Rock scale test force (test force tolerance: +/- 1.0%) | HRA， HRB， HRC， HRD，HRE， HRF，HRG，HRH，HRK；60Kg (588N)，100Kg (980.7N),，150Kg(1471N) |
| Brinell scale | HBW2.5/31.25， HBW2.5/62.5，HBW5/62.5， HBW2.5/187.5；30kgf（294.2N）、31.25kgf（306.5N）、62.5kgf（612.9N）、100kgf（980.7N）、187.5kgf（1839N） |
| Vickers scale test force (test force tolerance: +/- 1.0%) | HV30， HV100；30Kg(294.2N)，100Kg (980.7N) |
| The maximum allowable height of the test piece | Test rockwell hardness: 185mm; test Brinell, Vickers hardness: 135mm |
| Microscope magnification | 37.5x、75x |
| Load time | 2~60S |
| Distance from the center of the indenter to the fuselage | 165mm |
| Instrument size | 520X240X700mm (, L W H) |
| Instrument Weight | About 85Kg |
| Power | AC220V±5%，50~60Hz |
| Execution standards | GB/T230.2 (Rockwell), GB/T231.2 (Brinell), GB/T4340.2 (Vickers), JJG112 (Rockwell), JJG150 (Brinell) |
| lighting | A Rockwell: not available; b Vickers built-in lighting: adjustable; c Brinell external lighting: not adjustable |
Packing list
host X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/34689/Specification.html , which is only used by users who purchase commodities from the NBCHAO.